Noxious Weeds
These are toxic to animals or humans. If these plants are growing on your property, you should arrange to have them removed. Take steps to stop direct contact with these plants if you are removing them yourself.
| Common name | Species name |
|---|---|
| Arsenic bush | Senna septemtrionalis |
| Sacramento burr | Triumfetta semitriloba |
| Tropical pickerel weed | Pontederia rotundifolia |
| Captain Cook tree | Cascabela thevetia |
| Castor oil plant | Ricinus communis |
| Golden rod | Solidago canadensis var. scabra |
| Green cestrum | Cestrum parqui |
| Cape spinach | Emex australis |
| Devil's fig | Solanum torvum |
| Hemlock | Conium maculatum |
| Khaki weed | Alternanthera pungens |
| Needle burr or spiny amaranth | Amaranthus spinosus |
| Oleander | Nerium oleander |
| Prickly poppy | Argemone ochroleuca |
| Red-head cotton bush | Asclepias curassavica |
| Stinking roger | Tagetes minuta |